# Heating system frozen!

**URL:** <https://community.cartalk.com/t/heating-system-frozen/54098>\
**Category:** Maintenance/Repairs\
**Created:** [August 24, 2010, 8:21pm UTC](https://community.cartalk.com/t/heating-system-frozen/54098 "2010-08-24T20:21:33Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![arienmack](https://avatars.discourse-cdn.com/v4/letter/a/ecb155/32.png) [@arienmack](https://community.cartalk.com/u/arienmack)\
**Post date:** [August 24, 2010, 8:21pm UTC](https://community.cartalk.com/t/heating-system-frozen/54098/1 "2010-08-24T20:21:33Z")

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The heating/ac system in my 200 A4 Audi wagon is frozen. i cannot turn off the fan or change the temperature setting or simply turn off the system

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**Author:** ![andrew\_j](https://avatars.discourse-cdn.com/v4/letter/a/91b2a8/32.png) [@andrew\_j](https://community.cartalk.com/u/andrew_j)\
**Post date:** [August 24, 2010, 8:31pm UTC](https://community.cartalk.com/t/heating-system-frozen/54098/2 "2010-08-24T20:31:38Z")

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Try disconnecting the fuse (hopefully) to it. If that does not work disconnect the car battery.

Sort of like doing a “reboot” to the system.

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**Author:** ![arienmack](https://avatars.discourse-cdn.com/v4/letter/a/ecb155/32.png) [@arienmack](https://community.cartalk.com/u/arienmack)\
**Post date:** [August 24, 2010, 11:07pm UTC](https://community.cartalk.com/t/heating-system-frozen/54098/3 "2010-08-24T23:07:06Z")

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Thanks. I’ll try  
arien